Home / 54,366.78-81,546.50-14,920.58

Finding the Fourth Proportional to 54,366.78, 81,546.50 and 14,920.58

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Solution

The fourth proportional to 54,366.78, 81,546.50 and 14,920.58 is: 22,379.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,366.78 : 81,546.50 = 14,920.58 : x
  2. Step 2: Convert to fraction form
    54,366.78/81,546.50 = 14,920.58/x
  3. Step 3: Cross multiply
    54,366.78x = 81,546.50 × 14,920.58
  4. Step 4: Simplify right side
    54,366.78x = 1,216,721,076.97
  5. Step 5: Solve for x
    x = 1,216,721,076.97/54,366.78
  6. Step 6: Final answer
    x = 22,379.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.